* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.button {
  width: 100%;
  height: 50px;
  line-height: 50px;
}
.button span {
  padding: 5px;
  margin: 0px 5px;
  border: 1px solid #eee;
  cursor: pointer;
}
.button .active {
  border-color: red;
  color: red;
}

.tabBar{
  width: 100%;
  height: 50px;
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.tabBar a {
  text-decoration: none;
}
.tabBar .active {
  color: white;
  background-color: red;
}